Python Variable Declaration
Learning Python, and has some basic doubts.
python-3.x
How to open a file using the open with statement
I’m looking at how to do file input and output in Python. I’ve written the following code to read a list of names (one per line) from a file into another file while checking a name against the names in the file and appending text to the occurrences in the file. The code works. Could it be done better?
Calling a python script with input within a python script using subprocess
I have a script a.py and while executing it will ask certain queries to user and frame the output in json format. Using python subprocess, I am able to call this script from another script named b.py. Everything is working as expected except that I am not able to get the output in a variable? I am doing this in Python 3.
Saving and loading multiple objects in pickle file?
I have a class that serves players in a game, creates them and other things.
Why is Python 3.x’s super() magic?
In Python 3.x, super() can be called without arguments:
What does a b prefix before a python string mean?
In a python source code I stumbled upon I’ve seen a small b before a string like in:
What is the purpose of “pip install –user …”?
From pip install --help:
Why is dictionary ordering non-deterministic?
I recently switched from Python 2.7 to Python 3.3, and it seems that while in Python 2 the ordering of dictionary keys was arbitrary but consistent, in Python 3 the ordering of the keys of a dictionary obtained with e.g. vars() appears non-deterministic.
How to postpone/defer the evaluation of f-strings?
I am using template strings to generate some files and I love the conciseness of the new f-strings for this purpose, for reducing my previous template code from something like this: